powerpoint 16 plant reproduction
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TRANSCRIPT
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Plant Reproduction
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Two Forms of Plant Reproduction
Sexual Reproduction
Asexual Reproduction
Meiosis +
Fertilization
Mitosis +
Vegetative Propagation
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Sexual Reproductio
nIn
Plants
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Sexual reproduction occurs in many kinds of plants in different ways. Some plants form pollen that fertilizes eggs in the flower or cone, others produce spores.
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Angiosperms reproduce using their flower structure:
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The petals attract insects and birds to encourage
pollination.
The stigma, style, and ovary make up the
female structure – the pistil. The ovary houses the ovules (eggs) before
and after fertilization
The anther and filament make up the male structure
– the stamen - that produces the pollen.
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When the ovary ripens it becomes fruit – that contains the seeds.
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Seed
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In conifers,
the plant
produces male
and female cones – male cones
contain pollen, while
female cones bear eggs.
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In ferns, sexual reproduction takes place by the production of spores that fertilize eggs in
alternating generations of the plant’s life cycle.
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Asexual Reproductio
n
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Most plants can also reproduce new plants through asexual reproduction – also called
vegetative propagation – where new plants grow from a piece of
the old plant.
Some plants have special structures for vegetative
propagation . . .
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Reproductive
Structure
Description of Structure
Plants with these Structures
tubers under-ground storage stems,
develop new shoots after dormant
season
potatoes
rhizomes under-ground runners that develop into
new plant
irises
stolens above-ground runners that grow roots of their own then develop into
new plant
strawberries
bulbs underground storage units that
grow into many new plants via division
amaryllis
corms resemble bulbs but with enlarged, solid
stem for food storage
gladiolus, crocus
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Plant Reproduction
Quiz
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Which numbered term above goes with A on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with B on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with C on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with D on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with E on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with F on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with G on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with H on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with I on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with J on the picture?
(Answer with a number 1-10.)
1.ovule (egg)
2.stem (pedicel)
3.sepal4.pollen
grains5.stigma6.petal7.style8.ovary9.anther10.filament
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Which numbered term above goes with A on the
seed picture?
(Answer with a number 1-10.)
1.cotyledon2.embryo3.plumule4.seed coat5.radicle
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Which numbered term above goes with B on the
seed picture?
(Answer with a number 1-10.)
1.cotyledon2.embryo3.plumule4.seed coat5.radicle
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Which numbered term above goes with C on the
seed picture?
(Answer with a number 1-10.)
1.cotyledon2.embryo3.plumule4.seed coat5.radicle
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Which numbered term above goes with D on the
seed picture?
(Answer with a number 1-10.)
1.cotyledon2.embryo3.plumule4.seed coat5.radicle
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Which numbered term above goes with E on the
seed picture?
(Answer with a number 1-10.)
1.cotyledon2.embryo3.plumule4.seed coat5.radicle
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Which of the following is a structure for vegetative
propagation?
a. radicle
b. seed
c. tuber
d. embryo
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What kind of structure do conifers use to produce pollen
and ovules?
a. spores
b. roots
c. ferns
d. cones
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The male part of the flower including the anther and
filament is called the
a. stigma
b. stamen
c. ovary
d. pedicel
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The female structure of the flower
is called the
a. pistil
b. stamen
c. anther
d. filament
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What kind of plants use spores for sexual
reproduction?
a. ferns
b. conifers
c. algae
d. angiosperms